| About this Abstract |
| Meeting |
2021 TMS Annual Meeting & Exhibition
|
| Symposium
|
Additive Manufacturing of Metals: Applications of Solidification Fundamentals
|
| Presentation Title |
3D Analysis of Grain Morphologies and Solidification Texture in AM 316L |
| Author(s) |
David J. Rowenhorst |
| On-Site Speaker (Planned) |
David J. Rowenhorst |
| Abstract Scope |
The morphologies and shapes of grains in additively manufactured material are dominated by the local growth conditions and the competition between neighboring grains. Most actual builds further complicate this by altering the spatial arrangement of the melt-pools from layer-to-layer, meaning that grains that had a favorable orientation on one layer are poorly aligned for the next. Using serial-sectioning, we will show how the 3D grain morphologies are dominated by localized growth dynamics throughout a powder-bed fusion 316L build. By analyzing over thirty-thousand grains and their local crystallographic 3D orientation we show that even within this changing competitive growth environment, <001> dominate, but lead to a large disparity in grain size and morphologies. |
| Proceedings Inclusion? |
Planned: |